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Conference Papers Year : 2024

Understanding the Challenges of OpenSCAD Users for 3D Printing


Direct manipulation has been established as the main interaction paradigm for Computer-Aided Design (CAD) for decades. It provides fast, incremental, and reversible actions that allow for an iterative process on a visual representation of the result. Despite its numerous advantages, some users prefer a programming-based approach where they describe the 3D model they design with a specific programming language, such as OpenSCAD. It allows users to create complex structured geometries and facilitates abstraction. Unfortunately, most current knowledge about CAD practices only focuses on direct manipulation programs. In this study, we interviewed 20 programming-based CAD users to understand their motivations and challenges. Our findings reveal that this programming-oriented population presents difficulties in the design process in tasks such as 3D spatial understanding, validation and code debugging, creation of organic shapes, and code-view navigation. CCS CONCEPTS • Human-centered computing → Empirical studies in HCI.
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hal-04475132 , version 1 (23-02-2024)





J Felipe Gonzalez, Thomas Pietrzak, Audrey Girouard, Géry Casiez. Understanding the Challenges of OpenSCAD Users for 3D Printing. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI 2024), May 2024, Hawai, United States. ⟨10.1145/3613904.3642566⟩. ⟨hal-04475132⟩
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